Originally Posted by scubaholic
1981 380 SL
Fuel pump relay keep shorting out, last anywhere from 3 months to 3 minutes...
2 main suggestions here, lift the relay box and check all the wiring and connections, there may be a short. And if the fuel pump is on its way out it will create enough resistance to current flow to burn anything out.
Check the wiring first of all. If no problem there then change the fuel pump.